1. Open a PowerShell window as an administrator. To do that, press the Windows key, type ‘PowerShell’ in the search bar, and choose the ‘Open as administrator’ option.
2. Paste the following command in the PowerShell window and hit the Enter key.
Get-AppxPackage -allusers Microsoft.549981C3F5F10 | Remove-AppxPackage
That’s pretty much it. You will no longer see the Cortana app on your Windows 11 computer. In case you change your mind later, check the next section to reinstate Cortana on Windows 11.
